Dream of

Hello, I dreamed of my first love. We have not met for almost 27 years and I saw him one day, we set up a time and met just to talk. Then we started talking about our past. Since that day, everything came back to my mind and I started thinking of him all the time. I don't know if he does the same; there were a few nights I dreamed of him and he kept all my thought the next day. What does that really mean as it makes me feel sad to live that way. I don't know where he is at the moment.